def "custom source sets are not added as source directories by default"() {

        buildFile.text = '''
apply plugin: 'java'

sourceSets {
    main {
        java { srcDirs = ['mainSources'] }
        resources { srcDirs = ['mainResources'] }
    }

    foo {
        java { srcDirs = ['fooSources'] }
        resources { srcDirs = ['fooResources'] }
    }

    test {
        java { srcDirs = ['testSources'] }

        def asmSources = app.sourceFiles.findAll({it.path == 'asm'})
        def mainSources = app.headerFiles + app.sourceFiles.findAll({it.path != 'asm'})
        mainSources.removeAll {it.path == 'asm'}
        mainSources*.writeToDir(file("src/main"))
        asmSources*.writeToDir(file("src/input"))
        degenerateInputSources()

        when:

    attributes {
        attribute(Category.CATEGORY_ATTRIBUTE, objects.named(Category, Category.VERIFICATION))
        attribute(VerificationType.VERIFICATION_TYPE_ATTRIBUTE, objects.named(VerificationType, VerificationType.MAIN_SOURCES))
    }
}

// A resolvable configuration to collect JaCoCo coverage data
def coverageDataPath = configurations.create('coverageDataPath') {
    visible = false
    canBeConsumed = false

    extendsFrom(aggregate)
    attributes {
        attribute(Category.CATEGORY_ATTRIBUTE, objects.named(Category.VERIFICATION))
        attribute(VerificationType.VERIFICATION_TYPE_ATTRIBUTE, objects.named(VerificationType.MAIN_SOURCES))
    }
}

// A resolvable configuration to collect JaCoCo coverage data
val coverageDataPath by configurations.creating {
    isVisible = false
    isCanBeConsumed = false
    extendsFrom(aggregate)

    /**
     * A list of directories containing source code, includes code in transitive dependencies
     */
    String MAIN_SOURCES = "main-sources";

    /**
     * Binary results of running tests containing pass/fail information
     */
    String JACOCO_RESULTS = "jacoco-coverage";

    /**

        attributes.attribute(VerificationType.VERIFICATION_TYPE_ATTRIBUTE, objectFactory.named(VerificationType.class, VerificationType.MAIN_SOURCES));
        return this;
    }

                    attribute(VerificationType.VERIFICATION_TYPE_ATTRIBUTE, objects.named(VerificationType.class, VerificationType.MAIN_SOURCES))
                }
            }

            dependencies {
                sourceElements project
            }

            def testResolve = tasks.register('testResolve') {